St Lawrence Secondary School
🇨🇦 Official data · 2025Cornwall, Ontario K6H5Z8 · Upper Canada DSB
#757 of 766 secondary schools in Ontario
#757 of 766 nationally
About St Lawrence Secondary School
St Lawrence Secondary School is a public secondary located in Cornwall, in the Upper Canada DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 505 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 5.1 out of 100, placing it in the lower 50% of secondary schools in Canada and 757th of 766 ranked secondary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (19th percentile), and its weakest is eqao grade 9 mathematics (2th percentile).
Other published figures: enrolment 505; first language not english 24%; special education 39%; identified as gifted 0%.
There are 27 schools in Cornwall; St Lawrence Secondary School ranks 19th of 21 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against secondary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)–
- EQAO Grade 9 mathematics (25%)20%
- OSSLT first-attempt pass rate (20%)53%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)20%
- Parent education (fewer parents without a credential) (10%)9%
The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for St Lawrence Secondary School by the official sources.
- Enrolment
- 505
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 20%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 53%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 20%
- % of students living in low-income households.
- Parents without a credential
- 9%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 24%
- % of students whose first language is not English.
- Special education
- 39%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near St Lawrence Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
St Lawrence Intermediate School
Cornwall · Public elementary · Grades 7-8
205 students · 94 m away
École élémentaire publique Rose des Vents
Cornwall · Public elementary · Grades JK-6
590 students · 394 m away
St Peter's School
Cornwall · Catholic elementary · Grades JK-6
265 students · 552 m away
École élémentaire catholique Marie-Tanguay
Cornwall · Catholic elementary · Grades JK-6
370 students · 681 m away
Bridgewood Public School
Cornwall · Public elementary · Grades JK-6
520 students · 928 m away
École secondaire publique L'Héritage
Cornwall · Public secondary · Grades 9-12
195 students · 1.3 km away
École élémentaire publique L'Héritage
Cornwall · Public elementary · Grades 7-8
125 students · 1.3 km away
École secondaire catholique La Citadelle
Cornwall · Catholic secondary · Grades 9-12
465 students · 1.4 km away
École intermédiaire catholique La Citadelle
Cornwall · Catholic elementary · Grades 7-8
195 students · 1.4 km away
St. Matthew Catholic Elementary School
Cornwall · Catholic elementary · Grades 7-8
· 2.0 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Espanola High School
Espanola · Public secondary · Grades 9-12
505 students
Central Huron Secondary School
Clinton · Public secondary · Grades 9-12
500 students
G L Roberts Collegiate and Vocational Institute
Oshawa · Public secondary · Grades 9-12
510 students
Elmvale District High School
Elmvale · Public secondary · Grades 9-12
510 students
John Polanyi Collegiate Institute
Toronto · Public secondary · Grades 9-12
500 students
White Pines Collegiate and Vocational School
Sault Ste Marie · Public secondary · Grades 9-12
515 students
Frequently asked questions
Is St Lawrence Secondary School a good school?
St Lawrence Secondary School has a Success Index (Canada) of 5.1 out of 100 (Lower 50% of secondary schools in Canada) and ranks #757 of 766 in Ontario. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does St Lawrence Secondary School rank in Ontario?
St Lawrence Secondary School ranks #757 of 766 secondary schools in Ontario and #757 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend St Lawrence Secondary School?
St Lawrence Secondary School had 505 students in 2025.
Is St Lawrence Secondary School a elementary school or a secondary school?
St Lawrence Secondary School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near St Lawrence Secondary School?
There are 10 schools within 15 km of St Lawrence Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.